var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var methodOverride = require('method-override');
var session = require('express-session');
var MongoStore = require('connect-mongo')(session);
var setting = require('./setting');
var flash = require('connect-flash');
var util = require('util');

var routes = require('./routes/index');
var users = require('./routes/users');

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
//app.engine("html",require("ejs").__express); // or   app.engine("html",require("ejs").renderFile);
app.set("view engine","ejs");
//app.set('view engine', 'html');

// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
app.use(flash());

app.use(session({
    secret:setting.coolieSecret,
    key: setting.db,
    cookie: {maxAge: 1000*60*60*24*30},
    resave:true,
    saveUninitialized: true,
    store: new MongoStore({
        /*db: setting.db*/
        url: 'mongodb://45.32.37.104/microblog'
    })
}));

app.use(function (req, res, next) {
   console.log("app.usr local");
   res.locals.user = req.session.user;
   res.locals.post = req.session.post;
   var error = req.flash('error');
   res.locals.error = error.length?error:null;

   var success = req.flash('success');
   res.locals.success = success.length?success:null;

   next();
});

app.use('/', routes);
app.use('/users', users);


//routes(app);
/*
app.use('/', index);
app.use('/hello', index);
app.use('/users', users);
app.use('/u/:user', index);
app.use('/post', index);
app.use('/reg' , index);
app.use('/login', index);
app.use('/logout', index);
*/


// catch 404 and forward to error handler
app.use(function(req, res, next) {
  var err = new Error('Not Found');
  err.status = 404;
  next(err);
});

if (app.get('env') === 'development') {
    app.use(function (err, req, res, next) {
        res.status(err.status || 500);
        res.render('error',{
            message: err.message,
            error: err
        });
    });
}
// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  //res.locals.message = err.message;
  //res.locals.error = req.app.get('env') === 'development' ? err : {};
  // render the error page
  res.status(err.status || 500);
  res.render('error', {
      message: err.message,
      error: {}
  });
});

module.exports = app;
